/Engine/Source/Developer/NaniteUtilities/Public/TriangleUtil.h
[ Schindler and Chen 2012, "Barycentric Coordinates in Olympiad Geometry"https://web.evanchen.cc/handouts/bary/bary-full.pdf]
namespace Nanite { namespace Barycentric { float Nanite::Barycentric::LengthSquared ( const FVector3f & Barycentrics0, const FVector3f & Barycentrics1, const FVector3f & EdgeLengthsSqr ) } }